Note: Make sure you have the necessary fittings in your holding tank for
DTM installation. It requires a 3" FTP (female pipe thread) fitting. If
you do not have an existing clean out port in your holding tank, you
may need to purchase the Flange Kit

Probe Cap TW4 w/o vent - Sold Without Panel

Note: Make sure you have the necessary fittings in your holding tank for
DTM installation. It requires a 3" FTP (female pipe thread) fitting. If
you do not have an existing clean out port in your holding tank, you
may need to purchase the Flange Kit

45" Probe Cap, w/o vent - Sold Without Panel

Note: Make sure you have the necessary fittings in your holding tank for
DTM installation. It requires a 3" FTP (female pipe thread) fitting. If
you do not have an existing clean out port in your holding tank, you
may need to purchase the Flange Kit